{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "machanical property", "engineering feature", "process parameter", "machine or equipment", "manufacturing standard"], "input": "The fully-reversed strain-controlled low-cycle fatigue ( LCF ) tests imply that at low strain amplitudes the FSW and SLM samples show almost the same fatigue life , while at the high strain amplitudes the SLM samples show superior LCF performance ."}
{"concept or principle": ["samples", "performance"], "machanical property": ["strain", "fatigue", "fatigue life"], "engineering feature": [], "process parameter": [], "machine or equipment": [], "manufacturing standard": []}